exports.up = function(knex) {
    return knex.schema
        .table('login', function(table) {
            table.dateTime('ultimoLogin');
            table.string('token');
        });
};

exports.down = function(knex) {
    return knex.schema
        .table('login', function(table) {
            table.dropColumns('ultimoLogin', 'token');
        });
};